<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
	body{
		background-color:#aaa;
	}
		.box{
			width:200px;
			height:100px;
			font-size:30px;
			border:3px solid pink;
			margin:0 auto;
			margin-top:30px;
			line-height:80px;
			text-align:center;
			border-radius:20px 20px 20px 20px;
			background-color:#bbb;
		}
		.box:hover{
			box-shadow: 0 0 50px red;
			text-shadow:0 0 50px blue;

			
		}
	</style>
</head>
<body>
	<div class="box">button</div>
</body>
</html>